PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-03:13:00
G01     317.6          21.3                5.9 +/-    1.80      12.7 +/-    1.80  0.130 / 0.310
G08     252.6          11.0                8.4 +/-    2.98      23.0 +/-    2.98  0.130 / 0.240
G10     86.1           50.6                7.2 +/-    1.02       9.0 +/-    1.02  0.250 / 0.210
G11     298.5          25.3                6.7 +/-    1.24      13.1 +/-    1.24  0.190 / 0.250
G14     306.4          70.7                6.5 +/-    0.39       6.8 +/-    0.39  0.100 / 0.210
G18     300.3          43.3                6.0 +/-    4.48       8.2 +/-    4.48  0.100 / 0.240
G20     93.6           55.6                9.5 +/-    1.11      11.2 +/-    1.11  0.040 / 0.040
G22     302.7          12.9                6.3 +/-    2.71      16.6 +/-    2.71  0.040 / 0.040
G31     172.6          48.5                8.3 +/-    0.90      10.7 +/-    0.90  0.160 / 0.330
G32     18.5           63.1                6.3 +/-    0.66       6.9 +/-    0.66  0.140 / 0.400